.\" Copyright (c) 1997, 1998, 1999, 2000-2003
.\"	Bill Paul <wpaul@windriver.com>. All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
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.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by Bill Paul.
.\" 4. Neither the name of the author nor the names of any co-contributors
.\"    may be used to endorse or promote products derived from this software
.\"   without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" $FreeBSD: /repoman/r/ncvs/src/share/man/man4/axe.4,v 1.3 2003/05/29 21:28:35 ru Exp $
.\" $OpenBSD: axe.4,v 1.45 2013/07/16 16:05:48 schwarze Exp $
.\"
.Dd $Mdocdate: July 16 2013 $
.Dt AXE 4
.Os
.Sh NAME
.Nm axe
.Nd ASIX Electronics AX88172/AX88178/AX88772 10/100/Gigabit USB Ethernet device
.Sh SYNOPSIS
.Cd "axe*   at uhub?"
.Cd "rgephy* at mii?"
.Cd "rlphy* at mii?"
.Cd "eephy* at mii?"
.Sh DESCRIPTION
The
.Nm
driver provides support for USB Ethernet adapters based on the ASIX
Electronics AX88172, AX88178, and AX88772 USB 2.0 chipsets, including the
following:
.Pp
.Bl -tag -width Ds -offset indent -compact
.It Apple USB Ethernet Adapter A1277
.It ATEN UC-210T
.It BAFO BF-320
.It Billionton Systems USB2AR
.It Buffalo(MELCO) LUA-U2-GT
.It Buffalo(MELCO) LUA-U2-KTX
.It Corega FEther USB2-TX
.It D-Link DUB-E100
.It Good Way GWUSB2E
.It Hawking UF200
.It Intellinet USB 2.0 to Ethernet (rev A)
.It IO-Data ETG-US2
.It JVC MP-PRX1
.It Konig CMP-NWUSB20
.It Lenovo USB 2.0 Ethernet
.It Level One USB-0200
.It Level One USB-0301
.It Linksys USB200M
.It Linksys USB1000
.It Logitec LAN-GTJ/U2
.It Netgear FA120
.It Nintendo Wii USB Lan Ethernet Adapter RVL-015
.It OQO model 01+ Ethernet
.It Sitecom LN-029
.It SMC 2209USB/ETH
.It SnapPort USB 2.0 LAN Adapter
.It ST Lab USB 2.0 Fast Ethernet
.It Surecom EP-1427X-2
.It System TALKS SGC-X2UL
.It TRENDnet TU2-ET100
.It Z-TEK ZK-R01-2
.El
.Pp
The AX88172, AX88178, and AX88772 are USB 2.0 devices designed to work with
either Ethernet or HomePNA transceivers.
The AX88172 and AX88772 contain 10/100 Ethernet MACs with MII interfaces.
The AX88178 contains a 10/100/Gigabit Ethernet MAC with a GMII/MII
interface.
All adapters will operate with either USB 1.x or USB 2.0 controllers, however
performance with 1.x controllers will be limited since the USB 1.x standard
specifies a maximum transfer speed of 12Mbps.
Users with USB 1.x controllers should therefore not expect to actually
achieve 100Mbps speeds with these devices.
.Pp
A 64-bit multicast hash table is supported,
single perfect filter entry for the station address,
all-multicast mode, and promiscuous mode.
Packets are
received and transmitted over separate USB bulk transfer endpoints.
.Pp
The
.Nm
driver supports the following media types:
.Bl -tag -width "autoselect"
.It autoselect
Enable autoselection of the media type and options (this is the default).
The user can manually override the autoselected mode by adding media
options to the appropriate
.Xr hostname.if 5
file.
.It 10baseT
Set 10Mbps operation.
.It 100baseTX
Set 100Mbps (Fast Ethernet) operation.
.It 1000baseT
Set 1000Mbps (Gigabit Ethernet) operation (AX88178 only).
.El
.Pp
The
.Nm
driver supports the following media options:
.Bl -tag -width "full-duplex"
.It full-duplex
Force full-duplex operation.
.It half-duplex
Force half-duplex operation.
.El
.Pp
The interface will operate in
half-duplex mode if no media option is specified.
.Pp
For more information on configuring this device, see
.Xr ifconfig 8 .
.Sh DIAGNOSTICS
.Bl -diag
.It "axe0: watchdog timeout"
A packet was queued for transmission and a transmit command was
issued, however the device failed to acknowledge the transmission
before a timeout expired.
.It "axe0: no memory for rx list"
The driver failed to allocate an mbuf for the receiver ring.
.El
.Sh SEE ALSO
.Xr arp 4 ,
.Xr eephy 4 ,
.Xr ifmedia 4 ,
.Xr intro 4 ,
.Xr netintro 4 ,
.Xr rgephy 4 ,
.Xr rlphy 4 ,
.Xr usb 4 ,
.Xr hostname.if 5 ,
.Xr ifconfig 8
.Rs
.%T "ASIX AX88172 data sheet"
.%U http://www.asix.com.tw
.Re
.Sh HISTORY
The
.Nm
device driver first appeared in
.Ox 3.6 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An Bill Paul Aq Mt wpaul@windriver.com
and ported to
.Ox
by
.An Greg Taleck Aq Mt taleck@oz.net .
